Backchannel の記事「How Google Search Dealt With Mobile」によると、Google が処理している1日の検索数は約30億クエリとのことだ。1ヶ月でおよそ900億クエリ、1年で約1兆の検索クエリを処理していることになる。
The statistics remain staggering. Google accepts over 3 billion search queries a day. In the US, two-thirds of all searches use Google — worldwide, there’s similar dominance. (A recent dip in market share is largely attributed not to search quality , but Yahoo’s deal to dislodge Google as the default search engine on Firefox).[How Google Search Dealt With Mobile, Backchannel, January 15, 2015]
同記事は複数の Google社員への取材を通じて書かれている記事だが、様々なデータが紹介されている。スマホ検索結果にアプリへのディープリンクを表示するGoogle App Indexingは、Googleアカウントにサインインしている Androidユーザーの約15%の検索結果に表示されるとのことだ。
Fifteen percent searches from signed-in Android users now yield results with information inside apps. Apps indexing, though, does not currently include iOS apps, a serious gap. “There’s still a long way to go, says Lawrence Chang, product manager for Apps Indexing. “But we’re building the fundamental blocks.”[Lawrence Chang, Product manager for Apps Indexing, Google, How Google Search Dealt With Mobile, Backchannel, January 15, 2015]
概算で検索の25%でナレッジグラフが表示されるとも説明している。
In the two-plus years that Google Search has integrated the Knowledge Graph, the company has continued to evolve the product. (Google won’t say officially what percentage of queries evoke a Knowledge Graph answer but appears comfortable with a ballpark estimate of about 25 percent.)[Emily Moxley, Senior Product Manager for Google Search, Google, How Google Search Dealt With Mobile, Backchannel, January 15, 2015]
